ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,420, issued on Aug. 25, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Power amplifier" was invented by Koji Nasu (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier includes a first transistor and a bias circuit, in which the bias circuit includes a first bias detection circuit, an error amplifier circuit, a bias output buffer circuit, and a second bias detection circuit, the error amplifier circuit includes a comparator, the bias output buffer circuit includes a second transistor, a first node, and a second node, the first bias detection circuit is connected between a drain of the first transistor and the...